Protective helmet of reducible dimensions for sports use, in particular for use by cyclists



FIG. 1 is a perspective view of a protective helmet of reducible dimensions for sports use, in particular for use by cyclists showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a front elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a left side elevation view thereof;

FIG. 7 is a perspective view thereof in an alternate position;

FIG. 8 is a top plan view of FIG. 7;

FIG. 9 is a rear elevation view of FIG. 7;

FIG. 10 is a front elevation view FIG. 7;

FIG. 11 is a right side elevation view FIG. 7; and,

FIG. 12 is a left side elevation view FIG. 7.

The details shown in broken lines form no part of the claimed design. 

CLAIM The ornamental design for protective helmet of reducible dimensions for sports use, in particular for use by cyclists, as shown and described. 